Stainless Steel Straight Dual-Chamber Gun; With Needle And Seat - Nordson A7A Customer Product Manual

30
A7A Single and Dual Automatic Airless Spray Guns
Item Part
— 149097
1 981140
2 983120
3 153028
4 153031
5 153022
6 984539
7 240274
8 940090
9 940154
10 973125
11 153158
12 981405
13 972177
14 973415
15 - - - - - -
16 981513
17 153090
18 940134
19 - - - - - -
20 940174
21 248933
22 940105
23 248936
24 248932
25 900013
26 981171
27 152496
NS 901905
NS 901911
NS 247646
NS 900431
NOTE A: Included in piston with seals repair kit, part 106230. Order two kits to repair both chambers.
B: Used in non-circulating systems. Replaces two of the elbows, part 972177.
C: Included in needle and seat with retainer service kit, part 160354. Order two kits to repair both chambers.
D: Included in needle and seat service kit, part 106416. Order two kits to repair both chambers.
NS: Not Shown
Part 1072640A

Stainless Steel Straight Dual-Chamber Gun

with Needle and Seat

See Figure 8 on page 27.
Description
GUN, A7A, dual, stainless steel, drum coating
S SCREW, fillister, #10-32 x 1.00 in., slotted, zinc
S WASHER, lock, split, #10, steel, nickel
S CYLINDER
S GASKET, gun, H20
S PISTON assembly, H20
S S NUT, lock, #10-32, upper
S S NUT, seal lock
S S O-RING, Viton, 0.208 ID x 0.70 in., brown
S O-RING, Buna-N, 0.563 x 0.688 x 0.063 in.
1
S ELBOW, pipe, / in. NPT, brass
8
S BLOCK, mounting
3
S SCREW, square, set, /
zinc
1
S ELBOW, male, 37_, / -20 x
2
stainless steel
S PLUG, pipe, socket, standard,
stainless steel
S BODY, gun
S SCREW, pan, #10-32 x 2.00 in., slotted, zinc
S CARTRIDGE, packing
S S O-RING, Viton, 0.438 x 0.563 x 0.063 in.
S NEEDLE and seat, A7A
S O-RING, Viton, black, 0.688 x 0.813 in.
S RETAINER, seat
S O-RING, PTFE, 0.25 x 0.375 x 0.063 in.
S MANIFOLD, A7A
S PLUG
S BALL, 440 stainless steel, 0.125 in. dia., 100
S SCREW, socket, #10-32 x 1.25 in., zinc
S NUT, retaining
S BRUSH
S WRENCH, adjustment, module
S CARD, medical alert, injection
S ADHESIVE, pipe/thread/hydraulic sealant
-16 x 0.75 in., cup,
8
1
/ in. NPT,
4
1
/ in NPT,
4
Quantity Note
1
8
8
2
2 A
2 A
2 A
1 A
1 A
2
2
1
1
4
2 B
2
2
2
2
2 C, D
2 A, C, D
2 C
2 C, D
1
2
2
8
1
1
2
1
1
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